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Databases Questions and Answers February 15, 2021

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Python 3 jupyter notebook 1. Simulate a dataset with a log normal distribution, a mean of 1, a standard deviation of .1 and a size (N) of 100 Plot the data using a linear X-scale Calculate the mean, median, mode, skewness, and kurtosis for the distribution Plot the mean, median, and mode as vertical lines Plot the skewness and kurtosis as notes on

TRIPLE FIBONACCI SERIES ? question What is t150) exact Integer answer required. (Recursive solution might not work for this...) Answer Question 16 Not yet answered Marked out of 4.00 Flag question So what are the last three digits of t(75) A other words, what is t(75) mod 1000? Oryen other words, what is the remainder of t175) if you divided it by
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C++ Develop a rational number calculator.Your program should have 3 files: a driver file to test the operations, a header file for the class definition and any operator overloads you need, and an implementation file with the definitions of the items in the header file. It should accept all examples below and any rational number the user puts in

I need help on Java code. Please help me find the code for this Question. Thanks! Add a Dog class, with a Cat field called myCatFriend. Give Dog a constructor that takes a Cat object to populate its myCatFriend field. Add a String thoughts field to both the Cat and Dog classes. They can have default values, for example None of your business and

class AntFarm { constructor ( . . . ants ) { this.ants = ants.map ( ( name ) = > ( { name, health: 1 0 0 } ) ) ; } work ( ) { let antsCount = this.ants.length if ( antsCount = = = 0 ) { return [ " 0 Ants starting work!","Did you work them to death?" ] } for ( let i = 0 ; i ant.name = = = name ) ; if ( antsToFeed . length = = = 0 ) { return ` $ {

In the common law, courts decide cases by referring to established legal principles and the customs and values of society. They also look at decisions made in earlier cases to see if the cases are similar. If the cases are similar, a new case should reach a similar result. Question 1 9 options: True False

Which two descriptions are correct about characteristics of IPv 6 unicast addressing? ( Select Two )

What are the components of a neural network

I need help, I'm missing a step on determining the value of public key d The following parameters are chosen to generate the public and private keys for the RSA cryptosystem. p=11q=7e=43 Determine which of the following numbers is the correct choice for the private key d
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Design the database in an MS Excel spreadsheet as a single relation called Movie. It should contain an ID , Title, Year Released, Genre ( e . g . , sci - fi , comedy, thriller, etc. ) , Rating ( e . g . , G , PG , R , etc. ) , Format ( e . g . , VHS , DVD , MP 3 , etc. ) , a free - form Comments field, plus the main cast and crew members. Add the

which of the following are true statements regarding or examples of preattentive attributes? Select all that apply. attributes we perceive without conscious awareness, embed additional highly precise information in a visual, use of varying widths or lengths, use of color, make a visual "pop".

If a class object is declared in the definition of a member function of that class, then the object can access both the public and private members of the class.

Questions for Hashing and Skiplists (a) The next two questions relate to the following hashing setup table size is 11 elements . hash keys are lower-case alphabetic strings . the hash function is h(k) code(last Letter (k)) mod 1 1 Where last Letter extracts the last letter from its input and code returns an integer representing the position of the
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Write a console program called Megalottobaby that accepts a number from the user and determines if it is one of the recent winning Florida Lottery winning numbers. You must use an array to store the six (6) numbers from the most recent Florida Lottery drawing. Visit https://www.flalottery.com/winningNumbers to find the numbers to initialize your
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Java Code that does the following using Recursion Determine if a string of (), [], {}, and has matched ends.You can assume that a string always has a bunch of starting brackets, followed by a bunch of ending brackets (like this "([ ])"). You don't have to worry about strings like this"()()". Your function should detect strings where the braces are

C# Unit Test Project (.NET Framework) Account Class needs to hold the debit,credit and transfer functions that the AccountTest class will call and test using the [TestMethod] logic. Write a class called Account. This Account class represents a persons bank account for a bank. It should have a debit function that debits a given amount from the

Related to ArcGIS: You know that real-world features can be represented in a GIS as single locations, connected linear features, and regions/areas. How are these features represented in a vector data model? How are they represented in a raster data model? (It may be simplest to draw figures to answer this).

AWR-138-W Network Assurance Which of the following is NOT a reason to protect log files from Question 5 Noe yet anawered Points out of 1.00 Select one Flag question o a. Log files may contain sensitive information such as an employees personal information. Finish att b. Log files may contain information that can be used to determine the full scope
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Computing Taxes The Jordan income tax is calculated based on the filing status and taxable income. In this simplified example, there are three filing statuses: single filers, married couple filing jointly, and business filing. The taxable income is calculated as follows: Single filers taxable income = total income from all sources - 9 0 0 0 JDs
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using a 16bit DAC, data_dac(k) =E=(n=0) 2n+1 which resolves the function to k=1000 and via dac PIC software that obtains an equivalent analog voltage please perform. 1- The figure on the left is a diagram of sending data to the DAC. 2- CS=PIN_B7,SCK=PIN_B6, SDIEPIN B5, LDAC=PIN B4 a PIC-DAC pin connection is available in the format. 52) (50p)
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If you are hosting multiple web sites, a gaming site or have a VPN , which type of IP address do you need to purchase from your ISP?

Differentiate the high level, assembly, and machine level languages.

Beginner Java Program- boolean, do/while loops, for loops, if and if/else loops-Please help!!! Write a program that checks the properness of a given variable name. More specifically, your program should specify whether a user-entered variable name is: (1) illegal, (2) legal, but uses poor style, or (3) good. There are different opinions as to what

Both commands below try to open the file foo, but the error messages are a little different. Explain as comment in your terminal. Run the commands > cat foo > cat < foo # The " < " symbol here redirects the standard input.

subject: Computer Architecture Question 2 A cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations. Most Central Processing Units (CPU) have a hierarchy of multiple cache levels Level 1 (L1), Level 2 (L2), Level 3 (L3), with different instruction-specific
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Java OOP UML design Design a lighting control system for a smart home. It should allow lights from different manufacturers and with different specifications to be controlled by the same app. The app controls groups of lights. The groups are user-defined: the user can add a light to a group and remove a light from a group. Some lights can dim

Determine the truth value of the following statements if the universe of discourse of each variable is the set of real numbers.

I need this source code in JAVA language! Please help me urgently. I need this source code in JAVA language! Please help me urgently. Instruction to Candidates: 1. Answer ALL questions 2. This is an open book examination, student is not allowed to transcribe directly (cut and paste) any material from another source into their submission. 3. The
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Q: Piston cylinder device contains 2 kg of vapor at 200 kPa and 300 C. A) Describe the phase of the vapor ( superheated or saturated). Why? B) Calculate the volume of the vapor using (a) ideal gas law (b) steam tables (c) the generalized compressibility chart. R=0.4615 KP.m3/kg.K Tcr = 647.1 K Per = 22.06 MPa C) If the vapor in the piston cylinder
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implement a priority queue sorting algorithm ,then implement it based on the sorted and unsorted sequence,this will provide you an insertion and selection sort. Program in java. input running time using nanoTime

Write a well - documented ( commented ) program, LC , that, using one for loop and one if statement, prints the integers from 1 to 1 0 0 with ten integers per line. Java

Need a few questions answerd Question 1: What is an ID-dependent entity? Give an example. Entity whose identifier includes the identifier of another entity (Weak) Question 2: Explain the entity shape and type of relationship line used for an ID-dependent entity in an entity-relationship (E-R) diagram.

Consider two CPU instructions ADD R1, R2 with RTN R1 R1 + R2 and add-multiply ADM R1, R2, R3 with RTN R1 R1 + R2 * R3. Do the followings: a. Draw a single data path that would execute these two RTNs. b. Draw a pipelined data path that would execute these two RTNs in pipeline fashion.

in c++ Design and implement an ADT called Car. Support the following operations: ability to set make and model, ability to shift gear up or down (assume a max of 6-speed), ability to shift lanes (left or right; assume a max of three lanes), accelerate and decelerate (in units of 5 mph), and display the current state of the car (show the make,
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Show that a doubly transitive action is transitive. ( Hint: Observe that the diagonal action fixes the diagonal, so it is clear which are the two orbits ) .

Consider a relation with schema R(A, B, C, D, E) and FDs AB C, C D, D B, D E a) Indicate all the BCNF violations. Do not forget to consider FDs that are not in the given set, but follow from them. Only give violations that have a single attribute on the right side. b) Decompose the relation into a collection of relations in BCNF. c) Indicate all

For question 3, i got problem with it Assignment: Please answer the following questions using codeblock In physics, an object that is in motion is said to have kinetic energy. The following formula can be used to determine a moving object's kinetic energy: The variables in the formula are as follows: KE is the kinetic energy.m is the object's mass
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Which of the following are valid ways to define behavior for button 1 ? button 1 . setOnAction ( new ActionEvent ( ) { System.out.println ( " Hello " ) ; } ) ; button 1 . setOnAction ( event - > System.out.println ( " Hello " ) ) ; button 1 . setOnAction ( System . out.println ( " Hello " ) ) ;

Write a java program to help students calculate their average. Your program should ask the user to enter his/her name and three grades. Grade1 and grade2 have a coefficient of 25% each, grade3 has a coefficient of 50% Your program should then calculate the average based on the following formula: Average = grade1 * 0.25 + grade2 * 0.25 +grade3 *

Wilson's theorem says that a number N is prime if and only if (N - 1)! = -1 (mod N). If p is prime, then we know every number 1
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A pedometer treats walking 1 step as walking 2 . 5 feet. Define a method named feetToSteps that takes a double as a parameter, representing the number of feet walked, and returns an integer that represents the number of steps walked. Then, write a main program that reads the number of feet walked as an input, calls method feetToSteps ( ) with the

C# 1. Consider the following code for an Employee class and answer the questions that follow accordingly: class Employee { private double monthlySalary; public int IdNum { get; set; } public string Name { get; set; } public double Monthlysalary { get; set; } public Employee(int id, string name, double salary) { id; Name - name; MonthlySalary -
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In C programming language please 7. Let us define the weighted sum of an integer array a[0], a[1], a[2], ..., a[n-1] be a[0]*1 + a[1]*2 + a[2]*3 + ...+a[n-1]*n. For example, the weighted sum of the array (5,2,6] would be 5*1+2*2+6*3 = 27. Write a recursive function that takes in an array numbers and its length n, and returns its weighter sum. You
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Write a recursive version of the linear search algorithm. in java and Searching and Sorting

Port scanning is the act of systematically scanning a computer's ports. A port is a place where information goes into and out of a computer; port scanning identifies open doors to a computer. Port scanning has legitimate uses in managing networks, but port scanning also can be malicious in nature if someone is looking for a weakened access point

Consider the following expression: (2|a|)/(3)+|a+5| What is the value of this expression when a=-9 ? a

Discuss techniques used to evade Intrusion Detection Systems (IDS) as if you were a hacker.

How will you program using Java? oogle.com/C/MTOSOTYXNDgxODRa ument Transpose- 2D-Arrays Create a 5 x 5 matrix filled with random numbers in the range of-100 to 100. Print the original matrix and its transpose with appropriate labels as shown. The transpose of a two-dimensional array (matrix) is obtained by interchanging rows and columns. Thus,
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I need a conclusion paragraph of mechanism description of the Motherboard

Java: Python Write a program to take N elements and do the following: i) insert() elements into a heap one by one (percolate up). ii) deleteMin () one by one (percolate down). Run your program for sorted, reverse-ordered, and random inputs. You need to implement template class Heap.

The _ _ _ _ _ _ _ _ provides a portion of the system call interface for UNIX and Linux. A ) POSIX B ) Java C ) Standard C library D ) Standard API

What is network virtualization? Multiple Choice combines the physical resources, such as servers, processors, and operating systems, from the applications combines multiple network storage devices so they appear to be a single storage device offers backup services that use cloud resources to protect applications and data from disruption caused by

Starting Out with C++ from Control Structures to Objects (8th Edition) Chaprer 3, Problem 23 PC

int LED1-4; What is 'int- integer' used for? Select one: a. Numbers b. Capital and small letters C. Combination of Numbers and Characters e d. Combination of Numbers and Alphabets e. Alphabets
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3. The following statement creates a row entry in an Oracle spatial table named ourworld. INSERT INTO ourworld VALUES ( I 1,'shape_a',MDSYS.SDO_GEOMETRY(2002, null,null, MDSYS.SDO_ELEM_INFO_ARRAY(1,2,1), MDSYS.SDO_ORDINATE_ARRAY(4,14,8,14)) ); (a) Briefly describe the type of entry and sketch it, assuming local coordinates of a 20 by 20 rectangle
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Which parameter allows Get - WinEvent to query against multiple criteria?

For RSA cryptography, if the public exponent is e and the prime factors of n are p and q , what is the condition on the number d to be the decryption key?

1) Is information security important for IT professionals who don't want to pursue security route? Why? 2) What are career paths for IT security professionals?

Your organization publishes blogs and provides documentation services for other businesses and technologies. You have been asked to: Set up a live WordPress instance to publish blogs Set up a WordPress instance that can be used for development and testing purposes so that any work done on this instance will not impact the live blog Configure the

Provide code to return a Boolean value indicating whether the Command or Windows key was used in an event. Assume a name of evt for the event object.

It is March 1 4 , and the bakery is holding a pie sale. All pies with a regular price of $ 1 0 or more are $ 3 . 1 4 off. All others are $ 1 . 0 0 off. Write a program that reads the price of a pie and prints the discounted price.

Add 3 and 2 . Work from right to left
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do q 13 and show all the work 12. TRACE and show what the value of EAX is when the following sequence of instructions has executed? push 5 push 10 pop ebx pop eax a) 5 b) 10 c) 15 d) 0 13. Which of the following code sequence(s) assign(s) the value 10h to E BX? a. mov edx, 20h push edx mov ecx, 10h push ecx pop ebx pop edx b. mov ecx, 10h mov edx,
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Complete the following. We are focusing on data frames since that is a very critical part of R. But I will assume that you will work out the examples for matrices, arrays and other data types discussed in the chapter. DO NOT SKIP ANY EXAMPLES! 1. In R, create two data frames for students with the following fields and populate with 10 students

What would be the output from the following statement? WriteLine("Total Cost: {0:C}", 65.72);

is BIOS the same as the bootstrap program? Please specify, give an good answer, asked this question already and got a bad answer. Try to specify the difference if they are different.

express the following values in binary notation: 3 3 / 4

The class definition for a House class, contains the following private data members: the address (character array of 30 elements), city (character array of 20 elements), state (character array of 10 elements) and price (as a double). It also has the following public member methods: . set_all0: This method is passed an address, city, state and
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what type of file contains devie - specific parameters

In java. Desgin a Ship class that has the following members: A field for the name of the ship (a string). A field for the year that the ship was build (an int). A constructor and appropriate accessors and mutators. A toString method that displays the ship's name and the year it was built. An equals method to compare the data members of Ships. A

1 i ) Which statement about the bubble sont is false? a ) The bubble sort compares successive pairs of elements. b ) It is easy to program. c ) It is a high - performance sort. d ) It compares only adjacent elements with one another. GROUP - C Page - 3
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Number Systems Notes/Practice Number Systems Table *** A nibble represents 4 bits Decimal(Base 10) Binary(Base 2) Octal(Base 8) Hex(Base 16) Nibble shown below 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 0 1 2 3 4 5 6 7 10 11 12 13 14 15 16 17 Vool UNO 0 1 2 3 4 5 6 7 8 9 B
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39. What is the value of variable s after execution of the program fragment below? char h[6] = "wild"; char p[6] = "crazy"; char s[10]; strcpy(s, h); strcat(s, p); a. "wild crazy" b. "wild craz" c. "wildcrazy" d. The value of s is undefined. e. none of the above. 40. What is the value of the expression that follows? strcmp("5", "49"); a. -1 b. 0

There are 5 questions in this portion of the exam, each work 6 points. The maximum score is 30. K First Last N BlockPy: FinalExam-P3 A Grave is a dictionary with two keys: 'name': A string value with the grave's occupant's name 'message'. A string value with the grave's message Define a function named count_shouters at consumes a list of graves
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Java NetBeans Write a program that creates a text based video game. The main character is the user and they will fight a main boss and monsters. The main program will need to loop until the end of the level when the main character enters the boss fight. It should loop 10 times, and each time will generate a random number between 1-5 that controls

need help writing this program ! se Replit or another python editor to complete one of the python programs below based on your rogramming experience and understanding. Each program is worth the same but the selection is iven as a variety of difficulty to accommodate students at all levels. Little to no experience Topics: input, print, assignment,
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Induction. Consider the following recurrence definition: T ( 1 ) = 1 T ( i + 1 ) = T ( i ) + 3 i 2 + 3 i + 1 a . Prove by induction the predicate ) = ( i 3 b . Give the Big Oh ( ) attribute of the following algorithm as a function of N : int T , i ; , T = 1 ; i = 1 ; while ) ( N { T = T + 3 * * i * * i + 3 * * i + 1 ; i = i + 1 ; }
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Unsaved Chat and IM are not well-suited for O quick messages notifications 80 F3 questions lengthy or complicated messages Question 3 (2 points) The From: field on an email is: Saved the recipient of the email message not part of an email message none of these the sender of the email message JUL 13 F5 tv F6 STENA & F7 DII FB

Assume that there are 20 identical pencils and a group of 10 students. Pencils are distributed to students at random until all pencils are given away. in average, how many students obtain exactly one pencil?

I need help for this and I'm even number student.Thanks for the answer. Group 1 Group 2 D16 D15 D14 D13 D12 D11 DIO D9 D8 D7 D6 D5 D4 D3 D2 DI S1 S2 S3S4 S5 S6 S7 Fig. 1 Definitions of functions of the push button If you press the button, it means the battery is charged to the given quantity. For even- numbered students, please use group 1. For
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Latin English Nom. manus dextra the right hand Gen. Dat. Acc. Abl. Plural Nom. Gen. Dat. Acc. Abl.
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Which formula will compare a value against a list of user defined cases and return a chosen result when matched? Choose Case Switch Nominate
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Show your steps please, thank you. Exercise #2: Spying on a "do nothing"Java program [15pts] Install Java on your system, if not already installed (just type java and see if prints some "command not found" message or not), by doing: sudo apt install default-jre sudo apt install default-jdk Now create a "do nothing" Java program: public class
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Convert the following fractional decimal numbers into 1 6 - bit unsigned binary form. Use eight bits of precision.

The huge number of devices connected to the Internet of Things has to communicate automatically, not via humans. What is this called? Intercloud Machine 2 Machine Skynet Bot 2 Bot
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To develop a distributed application that works with transactional records quickly, which data store should be used? Relational DBMS NOSQL DBMS In - memory data store Object - based storage Network file storage

Using Python's list and dictionary data structures, write the code for a user - defined function called dot _ product that accepts a dictionary containing ' n ' equal length one - dimensional lists such that each list is stored using a unique key. You may assume there are a minimum of 2 keys in the dictionary, but there may be 3 , 4 , 1 0 , 1 0 0

Which CPU scheduling algorithm (SJF, MLFQ, FCFS) do you predict will give the minimum average waiting time for the set of nine processes provided? Why? Which algorithm will have the minimum average response time? Why?

Is a standard created by the IEEE 8 0 2 . 3 BG committee

write an infinite loop that allow user to enter numbers, the loop should terminate only when a multiple of 5 is entered by the user. The output of the program should be as under, try using continue and exit function by understanding the example given above. Sample Output Enter a number:12 Enter a number:89 Enter a number:25 Loop Terminated.

2 . 2 8 LAB: Using math functions Given three floating - point numbers x , y , and z output x 2 , x y 2 , the absolute value of y , and the square root of ( x y ) 2 Output each floating point value with two digits after the decimal point. which can be ach eved as follows printef ( " 1 0 . 2 1 f " , yourvalue ) ; Exif the input is 5 . 0 , 6 . 5 , 3
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NORMALIZATION ( Apply the normalization process to the model. ) FUNCTIONAL DEPENDENCIES ( Below is an example showing the functional dependencies, you should do your own project. ) ( The following is the set of functional dependencies ( FD ' s ) of COMPANY. ) F = { FD 1 : SSN - > FNAME, MINIT, LNAME, SSN , BDATE, ADDRESS, SEX, SALARY, SUPERSSN,

8 . Does every algorithm on computer be executed by Turing machine? Construct Turing machines that will accept the following language L on S = .

Write a C++ program that will prompt a user to enter a persons Name as a string. Then the program will simulate a fortune telling machine. You should have the computer generate a random number between 1 and 20.(seed the random number generator with time beforehand). Then ouput the following statement: Name will have xx children. Where Name is the

Let L = {0 n w | n 1, w {0, 1}*, and w contains at least n 1s} and M = {0 n w | n 1, w {0, 1}* , and w contains at most n 1s}. (a) Prove that L is regular. (b) Prove that M is not regular.

Part 3 - Coding Exercise: Decoding a Message from a Text File Note that you can write your code using any language and IDE you want ( Python is preferred if possible, but not mandatory ) . Your function must be able to process an input file with the following format: 3 love 6 computers dogs 4 cats I 5 you increases by one number per line, like so:
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5 . What is a DNS zone, and what is the difference between a forward and reverse lookup zone?

Write a query to get the maximum salary employee. Write a query to get the average salary of Clerk Write a query to get the average salary of department number 30 Write a query to get the minimum salary of department number 30, the salary should add commission Count the number of employees in the Sales department. Use sub queries. Write a query to
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Exercise3. Suppose there is a 40Mbps microwave link between a geostationary satellite and its base station on Earth. Every minute the satellite takes a digital photo and sends it to the base station. Assume the propagation speed of 2108 meters/sec and the distance between the satellite and Earth is 36000km. 1. What is the propagation delay of the
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Write and execute the R code that computes the sum of the elements of a vector x until you encounter a negative number. Use as an example any vector of length at least 9 and at contains at least one negative value
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